efi_loader: device_path: add efi_dp_from_ipv4

Add efi_dp_from_ipv4 to form a device path from an ipv4 address.

Signed-off-by: Adriano Cordova <adrianox@gmail.com>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
1 file changed